eFunda: Glossary: Materials: Polymers: Polystyrene: Styrene / Maleic Anhydride (SMA) Copolymer: Molding and Extrusion

Molding and Extrusion PS is a subcategory of Polystyrene. It is specially formulated to molding and extrusion. Its elastic modulus ranges from 340 to 390 MPa. Its flexural modulus ranges from 320 to 470 MPa. Its flexural strength ranges from 8000 to 14200 MPa. Its Izod Impact strength ranges from 0.4 to 2 J/cm. Its elongation at break ranges from 1.8 to 30 %. Its hardness ranges from 106 to 109 Rockwell R. Its specific gravity ranges from 1.05 to 1.08. Its molding pressure ranges from 12 to 17 MPa.

Polystyrene, also known as PS, is a thermoplastic polymer. The most common trade name is Novacor 555. styrene / maleic anhydride (SMA) copolymer It is an inexpensive material that is not structurally strong but easy to mold. It machines well, and is highly transparent. PS is commonly used for inexpensive packaging materials, pens, safety razors, flatware, and CD jewel boxes. In Styrofoam forms, PS is used to make high-throughput, thin-walled, easy-to-mold parts where structure is not paramount.

Other common Polystyrene (PS) include High and Medium Flow PS, Heat Resistant PS, 20% Long and Short Glass Fiber Reinforced PS, Rubber-Modified Flame-Retardant, UL-V0 PS, Rubber-Modified High Impact PS, Molding and Extrusion PS, Olefin Rubber Modified PS, 20% Glass Fiber Reinforced PS, Clear PS, Extrusion, Blow Molding, Injection Molding Grades PS, Clear Styrene Butadiene Copolymers PS, Impact Modified PS, 20% Glass Fiber Reinforced PS, High Heat Resistant, Injection Molding PS, Impact Modified High Heat Resistant PS, 20% Glass Fiber Reinforced High Heat Resistant PS, PS, and 20% PAN Carbon Fiber EMI Shielding (conductive) PS.

eFunda Polymers: Listing of Liquid Crystal Polymer (Vectra, Xydar)

Liquid Crystal Polymer, also known as LCP, has been mass-produced since 1980. ... Liquid Crystal Polymer, glass fiber reinforced, used for SMT. ...

eFunda: Glossary of Polymers (Plastics)

Common terms used in material science of polymers.

eFunda Polymers: Properties of ABS {flame-retardant grades ...

Application: flame-retardant grades, molding and extrusion ... Compression Ratio, 1.1 - 2. Linear Mold Shrinkage (cm/cm), 0.004 - 0.008, D955 ...

eFunda: Polymers (Plastics) Sorted by Resin Family

Polyethylenechlorinates, (PEC). �, Polymethylpentene, (PMP). �, Polypropylene, (PP). �, Polystyrene, (PS). �, Polyvinylchloride, (PVC). ...

eFunda Polymers: Properties of Acrylic {impact modified, molding ...

Processing Temperature (�C), 205 - 260, injection molding. 149 - 205, compression molding. 194 - 249, extrusion. Molding Pressure (MPa), 35 - 138 ...

eFunda: Polymer (Plastic) Supplier Contact Information

American Polymers, Inc. 53 Millbrook St. P.O. Box 60398. Worcester, MA 01606 ... Ashley Polymers. 5114 Ft. Hamilton Pkwy. Brooklyn, NY 11219 ...

eFunda: Estimanation of Lamina Material Constants

Calculates the equivalent material constants for a fiber reinforced composite lamina.

eFunda Polymers: Properties of Polystyrene and styrene copolymers ...

eFunda Polymers: Properties of Polystyrene and styrene copolymers {styrene / acrylonitrile, copolymer, 20% glass fiber reinforced}

Properties of Common Solid Materials

Further information on a specific material can be obtained by clicking the name of that particular material in the following table. ...

eFunda: Introduction to Rotational Molding

Acrylonitrile Butadiene Styrene (ABS); Acrylic · Polycarbonate (PC); Polyethylene (PE); Polypropylene (PP); Polyester · Polystyrene (PS); Polyvinylchloride ...

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